I believe the answer is: Stop
The message 'stop !!' is usually used in a distressful situation where it is necessary to grab the attention of people near you.
For most people, it is easy to get the attention because our voice tend to rise in volume when we say 'stop'. For those who use hand signal, the sign must be really obvious and easy to understand by other people near them.
Answer:Miami is a city that has famous snorkeling and scuba diving sites
Explanation:
They were all in Mesopotamia
One of the second is Kangchenjunga
Answer:
New; can be deliberatly accelerated.
Explanation:
I've had this question before, hope it helps!